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  3. j 1 the given data are below 7 x j 1 sstr k n x...

j 1 The given data are below 7 x j 1 SSTR k n x...

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j 1 The given data are below 7 x j 1 SSTR k n x 7 2 Sample mean Sample variance XatXBtxc k 29 45 37 Treatment Treatment A B 33 29 30 25 28 29 8 50 44 42 45 46 48 45 5 00 Treatment C 34 36 There are 3 treatments so k Each treatment has 5 observations so nA nB nc The total number of observations is n A 8 ne Since each treatment has the same number of observations the overall sample mean for the k sample means is found as follows Find the overall sample mean 36 37 42 37 9 00

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